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Verified answer
Kinematika• GLBB
V₀ = 72 km/jam = 20 m/s
Vₜ = 36 km/jam = 10 m/s
t = 5 s
1.] a = __ ??
2.] s = __ ?
1.]
Vₜ = V₀ + at
10 = 20 + 5a
5a = -10
a = -2 m/s² [tanda minus menunjukkan "perlambatan]
2.]
Vₜ² = V₀² + 2as
10² = 20² - 2(2)s
100 - 400 = -4s
4s = 300
s = 75 m
Jarak yg ditempuh Amin : 75 m